Climate Insights for Atherton

The climate in Atherton is warm and mild. The average annual temperature is 22°C and approximately 971mm of precipitation falls per year. January is the wettest month, receiving around 285mm of rainfall. Atherton is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: November, December, October. The coldest months are August, July, June, when temperatures can drop to 13°C.

Atherton sees moderate temperature variation throughout the year, ranging from 13°C to 31°C. The warmest month is November, when average highs reach 31°C and the mean temperature sits around 24°C. August is the coolest month, with minimum temperatures around 13°C and an average of 19°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 2°C shift in average temperatures.

Atherton is a moderately rainy area, receiving approximately 971mm of precipitation annually, which averages out to around 81mm per month. The wettest month is January, averaging 285mm of rainfall. December and February also tend to see above-average precipitation. The driest month is September, with just 5mm. That's 280mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Atherton is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Atherton, which began on March 20, 2026. Atherton is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in November at around 31°C, while the coldest stretch bottoms out in August near 13°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Atherton is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 20mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Atherton based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.